v0.7.10 - Fixed api errors in accepting : in subscriptions

tests/17_nip_test.sh

@@ -28,7 +28,7 @@ echo "✓ nak command found"
 
 # Check if relay is running by testing connection
 echo "Testing relay connection..."
-if ! timeout 5 bash -c "</dev/tcp/localhost/8888" 2>/dev/null; then
+if ! timeout 5 nc -z localhost 8888 2>/dev/null; then
     echo "ERROR: Relay does not appear to be running on localhost:8888"
     echo "Please start the relay first with: ./make_and_restart_relay.sh"
     exit 1